Hayward ED2 - SF Temperature Sensor Input Failure

FAULT CODE THUMBNAILS – PAGE F 17
FAULT CODE THUMBNAILS – PAGE F 17
Heater System Solving Guide
Fault Code Thumbnails SF Temperature Sensor Input Failure
FAULT CODE THUMBNAILS SF TEMPERATURE SENSOR INPUT FAILURE
IDL
UHS
IDL2
ED2
SF
TEMPERATURE SENSOR INPUT FAILURE
PARTS THAT MAY BE NEEDED
• Thermistor
• Control Module
DIAGNOSTIC SEQUENCE
A. Check where the thermistor connects
to the board to see if it has become disconnected or damaged.
B. Replace thermistor if wire or connection is damaged.
C. Replace control module if connection on board is damaged
D. Replace control module if new thermistor does not correct fault.